import com.sun.xml.internal.ws.api.model.wsdl.WSDLOutput;

interface Iflying {
    public void fly();
}

interface Iswimming {
    public void swim();
}

interface Ifunc extends Iflying, ISwimming {
    public void func();
}

interface Ifunc1 extends Ifunc {
    public void func1();
}

public class Test2 {
    public static void main(String[] args) {

    }
}
